Umbrella anchor



FIG. 1 is a front, left side, top perspective view of an umbrella anchor showing my new design;

FIG. 2 is a rear, right side, bottom perspective view thereof;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and

FIG. 9 is a front, left side, top perspective view thereof showing the rotational bar, used to insert the anchor, in a stored position;

FIG. 10 is front, left side, top perspective view thereof showing the anchor supporting an umbrella shaft; and,

FIG. 11 is front, left side, top perspective view thereof showing the anchor supporting an umbrella shaft and the rotational bar in a stored position.

The broken lines depict portions of the article and environment that forms no part of the claimed design. 

CLAIM The ornamental design for an umbrella anchor, as shown and described. 